Regressions on trunk at revision 202106 vs revision 202103

[Kirill Yukhin [Intel32 Core AVX-i]]

New failures:
FAIL: gcc.c-torture/execute/pr55137.c compilation,  -O2 -flto -flto-partition=none 
FAIL: gcc.c-torture/execute/pr58277-1.c compilation,  -O2 -flto 
FAIL: gcc.c-torture/execute/pr58277-1.c compilation,  -O2 -flto -flto-partition=none 
FAIL: gcc.c-torture/execute/pr58277-2.c compilation,  -O2 -flto 
FAIL: gcc.c-torture/execute/pr58277-2.c compilation,  -O2 -flto -flto-partition=none 

New passes:
FAIL: gcc.dg/inline-dump.c  (test for warnings, line 10)